Home / 79,475.18-119,243.34-35,070.56

Finding the Fourth Proportional to 79,475.18, 119,243.34 and 35,070.56

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Solution

The fourth proportional to 79,475.18, 119,243.34 and 35,070.56 is: 52,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,475.18 : 119,243.34 = 35,070.56 : x
  2. Step 2: Convert to fraction form
    79,475.18/119,243.34 = 35,070.56/x
  3. Step 3: Cross multiply
    79,475.18x = 119,243.34 × 35,070.56
  4. Step 4: Simplify right side
    79,475.18x = 4,181,930,710.07
  5. Step 5: Solve for x
    x = 4,181,930,710.07/79,475.18
  6. Step 6: Final answer
    x = 52,619.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.